package com.gxks.lhs.constants;

import lombok.Data;
import lombok.experimental.Accessors;

import java.util.HashMap;
import java.util.Map;

/**
 * 项目统一返回值
 */
@Data
@Accessors(chain = true)
public class R<T> {

    private Integer code; //编码：1成功，0和其它数字为失败

    private String msg; //错误信息

    private T data; //数据

    private Map map = new HashMap(); //动态数据

    public static <T> R<T> error(Integer code, String msg) {
        R r = new R();
        r.data = null;
        r.code = 0;
        r.msg = msg;
        return r;
    }

    public static R success() {
        R r = new R();
        r.data = null;
        r.code = 1;
        r.msg = "执行成功";
        return r;
    }

    public static <T> R<T> success(T object) {
        R<T> r = new R<T>();
        r.data = object;
        r.code = 1;
        r.msg = "执行成功";
        return r;
    }

    public static <T> R<T> success(T object, String msg) {
        R<T> r = new R<T>();
        r.data = object;
        r.code = 1;
        r.msg = msg;
        return r;
    }

    public static <T> R<T> error() {
        R r = new R();
        r.msg = "执行失败";
        r.code = 0;
        return r;
    }

    public static <T> R<T> error(String msg) {
        R r = new R();
        r.msg = msg;
        r.code = 0;
        return r;
    }


    public static <T> R<T> error(Integer code, String data, String msg) {
        R r = new R();
        r.data = data;
        r.code = code;
        r.msg = msg;
        return r;
    }

    public R<T> add(String key, Object value) {
        this.map.put(key, value);
        return this;
    }

}